> > Le Lundi 25 Juillet 2005 22:44, Alan Stern a écrit : > > > > > > Now that's strange. When you plug the high-speed device into the > > > integrated ports, which IRQ counter changes? Since > nothing is using > > > IRQ 21, it should be disabled and its counter should remain > > > constant. Does this mean the interrupts show up on IRQ > 19 (used by > > > ehci-hcd), or do they not show up at all (i.e., is the > USB connection just being polled)? > > > > I assume it's IRQ 19. > > > > cat /proc/interrupts doesn't show IRQ21 at all when uhci > isn't loaded. > > As it shouldn't, since nothing is supposed to be using that IRQ. > > > IRQ 19 being shared with 4 IDE controllers that controls my hard > > drives, that's hard to isolate interrupts counts due to USB > activity > > from interrupts counts due to disks activity... > > I was afraid you'd say that... > > Natalie, that's all I can think of. Now it's up to you to > invent a patch Michel can try out, to show just where the > IO-APIC code is going wrong.
I will sure try... I'm keeping an eye on your exchange don't worry :) just have to get done with urgent work piled up here while on my trip :< ... --N > Alan Stern > > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/